[splunkhecreceiver] aligns success response body w/ splunk enterprise

[nboshart-splunk]

Description: Changed 200 response body from plaintext to JSON object: "OK" → {"text": "Success", "code": 0}.

Testing: Updated existing unit tests to reflect the new response body. Everything passes as expected.

Documentation: https://docs.splunk.com/Documentation/Splunk/9.0.4/RESTREF/RESTinput

Link to Tracking Issue: #19219

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: nichabosh / name: Nicholas Boshart (101a643, 9939b72)

[atoulme]

Thank you! Please sign the CLA. I think the correct issue to link here is #19219

[nboshart-splunk]

Thank you! Please sign the CLA. I think the correct issue to link here is #19219

Yup, just caught that as well. Went ahead and updated the description. 👍🏼

[atoulme]

From past experience the CLA check doesn't always refresh, so you might need to try to open a new PR. Apologies.

[nboshart-splunk]

From past experience the CLA check doesn't always refresh, so you might need to try to open a new PR. Apologies.

Ah, that's unfortunate. Based on my conversation with @flands, I need to author the commits using my Splunk email for the CLA check to go through anyway. Going to see if it's possible to do that in this PR; if not, I'll open a new one.

[linux-foundation-easycla]

• ✅ login: TylerHelmuth / name: Tyler Helmuth (b200c2d9f1e824b03dc66af4727082a5effb8a98)
• ❌ The email address for the commit (da65559a7cc2c29f266237dabd8048e9e70ef1e5, 27753af0d92bc58eee6d0f36ec47aad9c2081e8d, dc69c24ae78865cc5cef669d8a9123d2f28c105b) is not linked to the GitHub account, preventing the EasyCLA check. Consult this Help Article and GitHub Help to resolve. (To view the commit's email address, add .patch at the end of this PR page's URL.) For further assistance with EasyCLA, please submit a support request ticket.

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: nichabosh / name: Nicholas Boshart (da65559a7cc2c29f266237dabd8048e9e70ef1e5, 27753af0d92bc58eee6d0f36ec47aad9c2081e8d, dc69c24ae78865cc5cef669d8a9123d2f28c105b, bc54a111d45aff5719b9bda80dc421cf3d7b566a)
• ✅ login: TylerHelmuth / name: Tyler Helmuth (b200c2d9f1e824b03dc66af4727082a5effb8a98)

[nboshart-splunk]

Well that was a fun little back-and-forth with the EasyCLA bot. Looks like everything's ready for review now, @atoulme. 🥳

[atoulme]

rerunning failing test.

[splunkericl]

@atoulme looks like all tests/checks have passed. Do you think we can merge this in?